MICE · YOUR NEXT FACE-OFF

Logitech ERGO M575S Wireless Trackball vs Razer DeathAdder Essential

Real specs. Clear sources.Exact models · UK & US buying links

Compared products

YOUR FIRST CHOICE

Logitech ERGO M575S Wireless Trackball

Graphite + Blue Ball · right-handed thumb trackball · 910-007029 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The ERGO M575S (UK part910-007029, Graphite with blue ball) is a Logitech thumb trackball for right-handed users: five buttons, silent switches, a Bolt receiver plus Bluetooth and one user-replaceable AA battery. Logitech rates receiver use for up to18months; its Bluetooth figures conflict at18and20months.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

WHICH SUITS YOU?

Choose the Logitech ERGO M575S Wireless Trackball for

A wireless connection
Longer stated body length: 134 mm vs 127.3 mm

Choose the Razer DeathAdder Essential for

A wired connection
Shorter stated body length: 127.3 mm vs 134 mm

Built from verified specifications that differ. Not a rating or a recommendation.

See the 7 verified differences

THE CONTENDER

Razer DeathAdder Essential

Black · RZ01-03850100-R3M1 · UK manufacturer configuration

Full product profile Official image

Exact model & source notes

The DeathAdder Essential is Razer's entry-level wired right-handed ergonomic mouse: 96 g, a 6,400 DPI optical sensor, five programmable buttons and mechanical switches rated for 10 million clicks.

Specifications checked 26 Sept 2026.

Amazon links open search results. Check the exact variant, current price and availability with the retailer.

Manufacturer specifications

Logitech ERGO M575S Wireless Trackball UK & US retailers

UK & US price history: no verified listing yet

Razer DeathAdder Essential UK & US retailers

UK & US price history: no verified listing yet

Search links open retailer results, not a matched listing; eBay listings are checked daily. As an Amazon Associate I earn from qualifying purchases. As an eBay Partner, we may be compensated if you make a purchase.

THE DIFFERENCES, MADE VISIBLE

Visual facts

Differences first. Select a topic for its graphic, sources and conditions.

How to read this comparison

Manufacturer facts for the exact models shown. Not a quality rating or a test result.
“Different” means the known values differ, not that one is better.
Missing or conflicting evidence is marked and never counts as a difference. Source chips hold each fact’s sources and conditions.

SPECIFICATIONS SIDE BY SIDE8 topics

SELECTED TOPIC

01 / 08

Connections

Check the exact configuration and source conditions for your use.

Logitech ERGO M575S Wireless TrackballLogi Bolt USB-A receiver (included) and Bluetooth Low Energy

Manufacturer specification · Not compatible with Unifying receivers.

Source 1 Source 2

Razer DeathAdder EssentialWired

Manufacturer specification · Original manufacturer description: Wired (standard cable). Wired only; Razer lists no wireless mode or battery. The connector type is not stated on these pages. Shared wired availability is comparable. Manufacturer cable and connector details retain their own scope; no unlisted connector is inferred.

Source 1 Source 2

Explore the full specifications

Choose the grip, then check the connection. Left-side thumb controls are not a mirrored left-handed layout. Check the receiver or USB connection, battery requirements and your preferred shape. DPI is tracking resolution, not an accuracy score; no gaming winner is inferred.

WHAT CHANGES BETWEEN THEM?

Key differences

Full specifications ↓

7 verified differences, most decision-relevant first. All are also drawn in Visual facts above. Missing information stays separate.

Connections

In Visual facts

Logitech ERGO M575S Wireless TrackballLogi Bolt USB-A receiver (included) and Bluetooth Low Energy

Razer DeathAdder EssentialWired

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Not compatible with Unifying receivers.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Check the exact configuration and source conditions for your use.

Body length

In Visual facts

Logitech ERGO M575S Wireless Trackball134 mm

Razer DeathAdder Essential127.3 mm

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification · Mouse body length; cable excluded.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Switch type

In Visual facts

Logitech ERGO M575S Wireless TrackballSilent

Razer DeathAdder EssentialRazer Mechanical Switches

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Switch actuation and button tensioning describe different parts of a click mechanism. Read the documented technology; its name alone does not establish latency, durability or feel.

Maximum sensitivity

In Visual facts

Logitech ERGO M575S Wireless Trackball2000 DPI

Razer DeathAdder Essential6400 DPI

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Sensor settings and manufacturer tracking limits describe capabilities, not independently measured accuracy or gaming performance. Preserve each test surface and software condition.

Primary button durability claim

In Visual facts

Logitech ERGO M575S Wireless Trackball3 million clicks (left/right)

Razer DeathAdder Essential10 million clicks

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification · Razer's lifecycle rating for the mechanical switches.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Check the exact configuration and source conditions for your use.

Body width

In Visual facts

Logitech ERGO M575S Wireless Trackball100 mm

Razer DeathAdder Essential72.7 mm

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification · Razer's listed width; Razer does not state the measurement basis.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

A size or weight trade-off; it does not establish the better product.

Show 1 more verified difference

Dimensions

In Visual facts

Logitech ERGO M575S Wireless Trackball134 × 100 × 48 mm (length × width × height)

Razer DeathAdder Essential127.3 × 72.7 × 42.8 mm (length × width × height)

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Logitech labels these Height 134 mm, Width 100 mm, Depth 48 mm; the first is the front-to-back length in its top-view convention.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification · Mouse body as listed by Razer; cable excluded.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

A size or weight trade-off; it does not establish the better product.

Configuration & compatibility details (1)

Hand orientation

Logitech ERGO M575S Wireless TrackballRight-handed only (thumb trackball on the left side)

Razer DeathAdder EssentialRight-handed ergonomic shape; side buttons on the left

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

Razer DeathAdder Essential

Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Both sources describe right-hand controls. Their wording does not establish a different hand orientation or identical shape and comfort.

Missing or non-comparable evidence (19)

Scroll controls

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialStandard scroll wheel; no tilt-click

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Sensor model

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Maximum report rate

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Logitech support lists 125 Hz (8 ms) over the receiver in LO mode and 88–133 Hz over Bluetooth; no single maximum is stated. · Manufacturer specification

Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Onboard memory

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialNo

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification · Razer lists no onboard memory profiles.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Customisation software

Logitech ERGO M575S Wireless TrackballLogi Options+ (Windows and macOS)

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Battery

Logitech ERGO M575S Wireless Trackball1 × AA (included, user-replaceable)

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Receiver rating is up to18months. Bluetooth is18months in the support specification and20months in the product FAQ. · Manufacturer specification · One included user-replaceable AA battery. Connection-specific endurance is recorded separately; Bluetooth claims conflict.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Lighting

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialSingle-colour green lighting; no RGB

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Cable length

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder Essential1.8 m

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification · Razer lists a standard cable, 1.8 m.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed battery life with Bluetooth

Logitech ERGO M575S Wireless TrackballConflicting evidence

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Logitech primary-source Bluetooth endurance claims remain18versus20months. · Manufacturer specification · The support specification says up to18months over Bluetooth; the product FAQ says up to20months over Bluetooth. No reconciliation or matched test protocol is supplied.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Claimed battery life with Bolt receiver

Logitech ERGO M575S Wireless Trackball18 months

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Up to18months with the Logi Bolt receiver. Actual usage/test protocol not fully stated.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Supported operating systems

Logitech ERGO M575S Wireless TrackballWindows 10/11+, macOS 12+, Linux, ChromeOS; iPadOS 15+ and Android 12+ over Bluetooth

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Current Logitech UK product page requirements (both the Bolt receiver and Bluetooth list Windows 10, 11 or later and macOS 12 or later). Basic functions without additional drivers outside Windows and macOS. The support specification's at-release list gives macOS 10.14 or later (and Windows 10 or later) for the USB receiver, and the same Bluetooth list as the product page.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Glide feet

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder EssentialStandard stock feet

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification · Razer does not state the material.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Listed package

Logitech ERGO M575S Wireless TrackballTrackball; Logi Bolt receiver; 1 × AA battery; documentation

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Minimum sensitivity

Logitech ERGO M575S Wireless Trackball100 DPI

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Adjustable in Logi Options+; nominal 400 DPI.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 6,400 DPI maximum.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published acceleration threshold

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder Essential30 G

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification · Razer's maximum acceleration rating; test surface not stated.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Published tracking speed

Logitech ERGO M575S Wireless TrackballNot verified

Razer DeathAdder Essential220 IPS

Sources

Logitech ERGO M575S Wireless Trackball

No source recorded for this side.

Razer DeathAdder Essential

Manufacturer specification · Razer's maximum speed rating; test surface not stated.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Limited hardware warranty

Logitech ERGO M575S Wireless TrackballConflicting evidence

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech US — ERGO M575S Wireless Trackball product page and technical specifications

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Wireless range

Logitech ERGO M575S Wireless Trackball10 m

Razer DeathAdder EssentialNot verified

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

No source recorded for this side.

Evidence is missing or conflicting on at least one side. This is not a verified difference.

Weight

Logitech ERGO M575S Wireless Trackball145 g

Razer DeathAdder Essential96 g

Sources

Logitech ERGO M575S Wireless Trackball

Manufacturer specification · Manufacturer-listed weight; battery inclusion not stated.

Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S

Razer DeathAdder Essential

Manufacturer specification · Manufacturer-listed weight; Razer does not state whether the cable is included.

Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs

The manufacturer sources do not establish the same cable weighing basis. Both published masses remain visible with their conditions, but are not ranked.

2 shared fields have the same recorded value.

WHAT EACH CHOICE ASKS OF YOU

What it brings and what to check

Logitech ERGO M575S Wireless Trackball

What it brings

A stationary thumb trackball, so it works in small spaces without moving your arm; the ball pops out from the bottom for cleaning.
Manufacturer source
Silent-type switches and one included, user-replaceable AA battery; Logitech rates use with the Bolt receiver for up to18months.
Manufacturer source Manufacturer source
Connects via the included Logi Bolt receiver or Bluetooth, including iPadOS 15+ and Android 12+.
Manufacturer source Manufacturer source

What to check

Right-handed only, with five buttons; Logitech's specification table lists three of them as customisable, while its FAQ says five.
Manufacturer source
Sensitivity tops out at 2,000 DPI (100–2,000 in Logi Options+).
Manufacturer source Manufacturer source
It does not work with Logitech's older Unifying receivers.
Manufacturer source

Razer DeathAdder Essential

What it brings

It keeps the classic DeathAdder right-handed ergonomic shape with two left side buttons and five independently programmable buttons.
Manufacturer source Manufacturer source
Razer lists a 1.8 m cable and simple single-colour green lighting, with the same specifications on its UK and US store pages.
Manufacturer source Manufacturer source

What to check

The specifications are modest: 6,400 DPI, 220 IPS and 30 G tracking ratings, mechanical switches rated for 10 million clicks, standard stock feet and no onboard memory.
Manufacturer source
Razer lists a weight of 96 g; the mouse is wired with a right-handed form factor, and Razer publishes no polling rate or minimum DPI.
Manufacturer source Manufacturer source

COMPARE THE DETAILS

Full specifications

How we verify

Differences only

29 of 29 specifications Sources in each row

Source-backed specifications for Logitech ERGO M575S Wireless Trackball and Razer DeathAdder Essential
Specification	Logitech ERGO M575S Wireless Trackball	Razer DeathAdder Essential

WeightDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Manufacturer-listed weight; battery inclusion not stated. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Manufacturer-listed weight; Razer does not state whether the cable is included. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	145 g	96 g
DimensionsDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Logitech labels these Height 134 mm, Width 100 mm, Depth 48 mm; the first is the front-to-back length in its top-view convention. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Mouse body as listed by Razer; cable excluded. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	134 × 100 × 48 mm (length × width × height)	127.3 × 72.7 × 42.8 mm (length × width × height)
Body lengthDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Mouse body length; cable excluded. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	134 mm	127.3 mm
Body widthDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Razer's listed width; Razer does not state the measurement basis. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	100 mm	72.7 mm
Hand orientationDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Razer DeathAdder Essential Manufacturer specification · Razer's stated form factor; side-button position from the official product views. Not a grip or comfort test. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview	Right-handed only (thumb trackball on the left side)	Right-handed ergonomic shape; side buttons on the left
Glide feet Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification · Razer does not state the material. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	Not provided	Standard stock feet

Tracking method Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Original manufacturer description: Logitech Advanced Optical Tracking (thumb-operated trackball). This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Razer names the sensor only as optical; no model is given. Original manufacturer description: 6,400 DPI optical sensor. This identifies optical tracking, not a named sensor model. Model-specific hardware, accuracy and performance are not inferred. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview	Optical	Optical
Minimum sensitivity Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Adjustable in Logi Options+; nominal 400 DPI. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Razer does not list a minimum sensitivity for this model. · Manufacturer specification · Razer lists only the 6,400 DPI maximum. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	100 DPI	Not provided
Maximum sensitivityDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	2000 DPI	6400 DPI
Published tracking speed Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification · Razer's maximum speed rating; test surface not stated. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	Not provided	220 IPS
Published acceleration threshold Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification · Razer's maximum acceleration rating; test surface not stated. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	Not provided	30 G

Listed controls Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Left/right click, back/forward and scroll wheel with middle click; 3 customisable (back/forward, middle click) per the specification table. A Logitech FAQ answer says 5 customisable buttons. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Razer lists 5 independently programmable Hyperesponse buttons. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview	5	5
Switch typeDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview	Silent	Razer Mechanical Switches
Primary button durability claimDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Razer's lifecycle rating for the mechanical switches. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	3 million clicks (left/right)	10 million clicks
Scroll controls Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	Not provided	Standard scroll wheel; no tilt-click

ConnectionsDifferent Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Not compatible with Unifying receivers. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Manufacturer specification · Original manufacturer description: Wired (standard cable). Wired only; Razer lists no wireless mode or battery. The connector type is not stated on these pages. Shared wired availability is comparable. Manufacturer cable and connector details retain their own scope; no unlisted connector is inferred. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	Logi Bolt USB-A receiver (included) and Bluetooth Low Energy	Wired
Battery Sources Logitech ERGO M575S Wireless Trackball Receiver rating is up to18months. Bluetooth is18months in the support specification and20months in the product FAQ. · Manufacturer specification · One included user-replaceable AA battery. Connection-specific endurance is recorded separately; Bluetooth claims conflict. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential No source recorded.	1 × AA (included, user-replaceable)	Not provided
Wireless range Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential No source recorded.	10 m	Not provided
Claimed battery life with Bolt receiver Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Up to18months with the Logi Bolt receiver. Actual usage/test protocol not fully stated. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential No source recorded.	18 months	Not provided
Cable length Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification · Razer lists a standard cable, 1.8 m. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	Not provided	1.8 m

Customisation software Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Razer DeathAdder Essential No source recorded.	Logi Options+ (Windows and macOS)	Not provided
Onboard memory Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification · Razer lists no onboard memory profiles. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	Not provided	No
Lighting Sources Logitech ERGO M575S Wireless Trackball No source recorded. Razer DeathAdder Essential Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential (RZ01-03850100-R3U1) — Razer US store page and tech specs	Not provided	Single-colour green lighting; no RGB

Supported operating systems Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification · Current Logitech UK product page requirements (both the Bolt receiver and Bluetooth list Windows 10, 11 or later and macOS 12 or later). Basic functions without additional drivers outside Windows and macOS. The support specification's at-release list gives macOS 10.14 or later (and Windows 10 or later) for the USB receiver, and the same Bluetooth list as the product page. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential No source recorded.	Windows 10/11+, macOS 12+, Linux, ChromeOS; iPadOS 15+ and Android 12+ over Bluetooth	Not provided
Listed package Sources Logitech ERGO M575S Wireless Trackball Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Razer DeathAdder Essential No source recorded.	Trackball; Logi Bolt receiver; 1 × AA battery; documentation	Not provided

Show unverified (4)Not verified, not provided or conflicting for both products. Kept for completeness; never counted as a difference.

Specifications without verified values for either product
Maximum report rate Sources Logitech ERGO M575S Wireless Trackball Logitech support lists 125 Hz (8 ms) over the receiver in LO mode and 88–133 Hz over Bluetooth; no single maximum is stated. · Manufacturer specification Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential Razer does not list a polling rate for this model. · Manufacturer specification · Neither the tech specs nor the overview state a report rate. Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs	Not listed by the manufacturer	Not provided
Limited hardware warranty Sources Logitech ERGO M575S Wireless Trackball Logitech UK lists a 2-year limited hardware warranty; Logitech US lists 1 year. Regional terms differ. · Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech US — ERGO M575S Wireless Trackball product page and technical specifications Razer DeathAdder Essential No source recorded.	Conflicting sources	Not provided
Sensor model Sources Logitech ERGO M575S Wireless Trackball The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential The individually reviewed exact source inventory does not identify a sensor model. The published method or description is retained separately. · Manufacturer specification Razer DeathAdder Essential (RZ01-03850100-R3M1) — Razer UK store page and tech specs Razer DeathAdder Essential — Razer UK product overview	Not listed by the manufacturer	Not listed by the manufacturer
Claimed battery life with Bluetooth Sources Logitech ERGO M575S Wireless Trackball Logitech primary-source Bluetooth endurance claims remain18versus20months. · Manufacturer specification · The support specification says up to18months over Bluetooth; the product FAQ says up to20months over Bluetooth. No reconciliation or matched test protocol is supplied. Logitech UK — ERGO M575S Wireless Trackball product page and technical specifications Logitech Support — Specification - ERGO M575S Razer DeathAdder Essential No source recorded.	Conflicting sources	Not provided

First product manufacturer source Second product manufacturer source

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